TY  - BOOK
AU  - M.M. Kononova
TI  - Soil organic matter : Its nature, its role in soil formation and in soil fertility
U1  - 631.417 
PY  - 1961///
CY  - New York
PB  - Pergamon Press
N1  - M.M. Kononova: Soil organic matter : Its nature, its role in soil formation and in soil fertility.  New York.  Pergamon Press, 1961.--(631.417KON)
ER  -